a {
    background: -webkit-linear-gradient(99.5deg, white, black), -webkit-linear-gradient(220deg, black, white), -webkit-linear-gradient(45deg, black, white);
    background: -o-linear-gradient(99.5deg, white, black), -o-linear-gradient(220deg, black, white), -o-linear-gradient(45deg, black, white);
    background: linear-gradient(350.5deg, white, black), linear-gradient(-130deg, black, white), linear-gradient(45deg, black, white);
}

b {
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(0,0,0,1)), to(white)), -webkit-gradient(linear, left top, left bottom, from(white), to(black));
    background-image: -webkit-linear-gradient(rgba(0,0,0,1), white), -webkit-linear-gradient(white, black);
    background-image: -o-linear-gradient(rgba(0,0,0,1), white), -o-linear-gradient(white, black);
    background-image: linear-gradient(rgba(0,0,0,1), white), linear-gradient(white, black);
}

strong {
    background: -webkit-linear-gradient(bottom, transparent, rgba(0, 0, 0, 0.8) 20px, #000 30px, #000) no-repeat;
    background: -o-linear-gradient(bottom, transparent, rgba(0, 0, 0, 0.8) 20px, #000 30px, #000) no-repeat;
    background: linear-gradient(to top, transparent, rgba(0, 0, 0, 0.8) 20px, #000 30px, #000) no-repeat;
}

div {
  background-image: -webkit-radial-gradient(right, white, black), -webkit-repeating-linear-gradient(top left, black, white), -webkit-repeating-radial-gradient(bottom, aqua, red);
  background-image: -o-radial-gradient(right, white, black), -o-repeating-linear-gradient(top left, black, white), -o-repeating-radial-gradient(bottom, aqua, red);
  background-image: radial-gradient(to left, white, black), repeating-linear-gradient(to bottom right, black, white), repeating-radial-gradient(to top, aqua, red);
}

.old-radial {
    background: -webkit-radial-gradient(0 50%, ellipse farthest-corner, black, white);
    background: -o-radial-gradient(0 50%, ellipse farthest-corner, black, white);
    background: radial-gradient(0 50%, ellipse farthest-corner, black, white);
}

.simple1 {
    background: -webkit-gradient(linear, left top, left bottom, from(black), to(white));
    background: -webkit-linear-gradient(black, white);
    background: -o-linear-gradient(black, white);
    background: linear-gradient(black, white);
}

.simple2 {
    background: -webkit-gradient(linear, right top, left top, from(black), color-stop(50%, rgba(0, 0, 0, 0.5)), to(white));
    background: -webkit-linear-gradient(right, black 0%, rgba(0, 0, 0, 0.5)50%, white 100%);
    background: -o-linear-gradient(right, black 0%, rgba(0, 0, 0, 0.5)50%, white 100%);
    background: linear-gradient(to left, black 0%, rgba(0, 0, 0, 0.5)50%, white 100%);
}

.simple3 {
    background: -webkit-gradient(linear, right top, left top, color-stop(50%, black), to(white));
    background: -webkit-linear-gradient(right, black 50%, white 100%);
    background: -o-linear-gradient(right, black 50%, white 100%);
    background: linear-gradient(to left, black 50%, white 100%);
}

.simple4 {
    background: -webkit-gradient(linear, left bottom, right top, from(black), to(white));
    background: -webkit-linear-gradient(left bottom, black, white);
    background: -o-linear-gradient(left bottom, black, white);
    background: linear-gradient(to right top, black, white);
}

.direction {
    background: -webkit-gradient(linear, left top, right bottom, from(black), color-stop(rgba(0, 0, 0, 0.5)), to(white));
    background: -webkit-linear-gradient(top left, black, rgba(0, 0, 0, 0.5), white);
    background: -o-linear-gradient(top left, black, rgba(0, 0, 0, 0.5), white);
    background: linear-gradient(top left, black, rgba(0, 0, 0, 0.5), white);
}

.silent {
    background: -webkit-linear-gradient(top left, black, white);
}

.radial {
    background: -webkit-radial-gradient(0 50%, farthest-side, white, black);
    background: -o-radial-gradient(0 50%, farthest-side, white, black);
    background: radial-gradient(farthest-side at 0 50%, white, black);
}

.second {
    background: red -webkit-gradient(linear, left top, left bottom, from(red), to(blue));
    background: red -webkit-linear-gradient(red, blue);
    background: red -o-linear-gradient(red, blue);
    background: red linear-gradient(red, blue);
    background: url('logo.png'), -webkit-gradient(linear, left top, left bottom, from(#fff), to(#000));
    background: url('logo.png'), -webkit-linear-gradient(#fff, #000);
    background: url('logo.png'), -o-linear-gradient(#fff, #000);
    background: url('logo.png'), linear-gradient(#fff, #000);
}

.px {
    background: -webkit-linear-gradient(black 0, white 100px);
    background: -o-linear-gradient(black 0, white 100px);
    background: linear-gradient(black 0, white 100px);
}

.list {
    list-style-image: -webkit-gradient(linear, left top, left bottom, from(white), to(black));
    list-style-image: -webkit-linear-gradient(white, black);
    list-style-image: linear-gradient(white, black);
}

.mask {
    -webkit-mask: -webkit-gradient(linear, left top, left bottom, from(white), to(black));
    -webkit-mask: -webkit-linear-gradient(white, black);
            mask: -webkit-gradient(linear, left top, left bottom, from(white), to(black));
            mask: linear-gradient(white, black);
}

.newline {
    background-image:
        -webkit-gradient( linear, left top, left bottom, from(white), to(black) ),
        -webkit-gradient( linear, left top, left bottom, from(black), to(white) );
    background-image:
        -webkit-linear-gradient( white, black ),
        -webkit-linear-gradient( black, white );
    background-image:
        -o-linear-gradient( white, black ),
        -o-linear-gradient( black, white );
    background-image:
        linear-gradient( white, black ),
        linear-gradient( black, white );
}

.convert {
    background: -webkit-gradient(linear, right top, left top, from(white), to(black));
    background: -webkit-linear-gradient(right, white, black);
    background: -o-linear-gradient(right, white, black);
    background: linear-gradient(270deg, white, black);
}

.rad {
    background: -webkit-linear-gradient(32.704deg, white, black);
    background: -o-linear-gradient(32.704deg, white, black);
    background: linear-gradient(1rad, white, black);
}

.turn {
    background: -webkit-linear-gradient(342deg, white, black);
    background: -o-linear-gradient(342deg, white, black);
    background: linear-gradient(0.3turn, white, black);
}

.norm {
    background: -webkit-gradient(linear, right top, left top, from(white), to(black));
    background: -webkit-linear-gradient(right, white, black);
    background: -o-linear-gradient(right, white, black);
    background: linear-gradient(-90deg, white, black);
}
